Output; Operating Conditions - Siemens SITRANS Series Operating Instructions Manual
Pressure transmitter ma/hart
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13.4
Output
Output
Output signal
● Low saturation limit (continuously
adjustable)
● High saturation limit (continuously
adjustable)
● Ripple (without HART communication)
Adjustable damping
● Current transmitter
● Failure signal
Load
● Without HART communication
● With HART communication
HART communicator (Handheld)
SIMATIC PDM
Characteristic curve
Bus physics
Polarity-independent
13.5
Operating conditions
Operating conditions for gauge pressure and absolute pressure (from the gauge pressure series)
Ambient conditions
● Ambient temperature
Note
SITRANS P320/P420 (mA/HART)
Operating Instructions, 06/2018, A5E44852162-AA
HART
4 ... 20 mA
3.55 mA, set to 3.8 mA in the factory
22.8 mA, factory-set to 20.5 mA or optionally 22.0 mA
I
≤ 0.5 % of the max. output current
SS
0 ... 100 s, continuously adjustable over remote operation
0 ... 100 s, in steps of 0.1 s adjustable over display
3.55 ... 22.8 mA
3.55 ... 22.8 mA
Resistor R [Ω]
U
H
R =230 ... 1100 Ω
R =230 ... 600 Ω
● Linearly increasing or linearly decreasing
● Linear increase or decrease or according to the square root (only for
differential pressure and flow)
–
–
Observe the temperature class in hazardous areas.
Power supply in V
Technical data
13.5 Operating conditions
219
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